Haixing County Shengda Precision Processing Plant was established in August 2001.We enjoy convenient sea and land transportation, with good geographic location. Our enterprise has an investment of RMB3.8 million and covers an area of 3000 square meters. We specialize in precision casting, stainless steel quick coupling, pipe fittings, valve production, processing and selling. In order to let inner quality and presentation quality of our products under perfect control, we have introduced the modern silica sol lost wax casting, high precision CNC lathes and provide advanced spectrograph, chemical analysis instrument, metalloscope, sclerometer, and universal material testing machines. Our annual output of casting is 300 tons and input of our finetreatment products is 200 tons. We mainly manufacture stainless steel quick coupling (A,B,C,D,E,F,DC,DP), and one piece, two pieces and three pieces